Putting aid



FIG. 1 is a top perspective view of a putting aid;

FIG. 2 is a bottom perspective view of FIG. 1;

FIG. 3 is a top plan view of FIG. 1;

FIG. 4 is a right side elevational view of FIG. 1; the undisclosed left side is a mirror image;

FIG. 5 is a bottom plan view of FIG. 1;

FIG. 6 is a front elevational view of FIG. 1; and,

FIG. 7 is a rear elevational view of FIG. 1.

The broken lines shown in the drawings depict tee openings that form no part of the claimed invention. 

CLAIM The ornamental design for a putting aid, as shown and described. 